Home / 36,833.60-55,250.40-21,281.60

Finding the Fourth Proportional to 36,833.60, 55,250.40 and 21,281.60

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Solution

The fourth proportional to 36,833.60, 55,250.40 and 21,281.60 is: 31,922.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,833.60 : 55,250.40 = 21,281.60 : x
  2. Step 2: Convert to fraction form
    36,833.60/55,250.40 = 21,281.60/x
  3. Step 3: Cross multiply
    36,833.60x = 55,250.40 × 21,281.60
  4. Step 4: Simplify right side
    36,833.60x = 1,175,816,912.64
  5. Step 5: Solve for x
    x = 1,175,816,912.64/36,833.60
  6. Step 6: Final answer
    x = 31,922.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.